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10. Aliases

10.1 Creating Custom Commands

  • In most shells, aliases (10.2 , 10.3 , 10.4 ) are an easy way to shorten a long command line or do a short series of commands.

  • All except the oldest Bourne-type shells have shell functions (10.9 ) . These are a cross between aliases and shell scripts. They're good both for shortening command lines and for running a short or long series of commands.

  • You can simulate shell functions (10.10 ) on older Bourne shells. These "fake functions" don't have much more power than aliases - but they're better than nothing!

- JP


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